Home / 143,552,490.30-215,328,735.45-70,804,122.30

Finding the Fourth Proportional to 143,552,490.30, 215,328,735.45 and 70,804,122.30

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Solution

The fourth proportional to 143,552,490.30, 215,328,735.45 and 70,804,122.30 is: 106,206,183.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,552,490.30 : 215,328,735.45 = 70,804,122.30 : x
  2. Step 2: Convert to fraction form
    143,552,490.30/215,328,735.45 = 70,804,122.30/x
  3. Step 3: Cross multiply
    143,552,490.30x = 215,328,735.45 × 70,804,122.30
  4. Step 4: Simplify right side
    143,552,490.30x = 15,246,162,119,506,144
  5. Step 5: Solve for x
    x = 15,246,162,119,506,144/143,552,490.30
  6. Step 6: Final answer
    x = 106,206,183.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.